✨ Add uProc Node (#1263)

* + adding new uProc integration

* + capitalize tool name
+ fix parameter display name
+ add placeholders for parameter
+ add tool description
+ optimize generated .ts for groups and tools

* + remove old functions

* + added new tools

* + add new tools + fix Info on tool

* + fixed Info

* + fix tools description

* + add UProc node to package.json

* + added new tools

* + added new tools

* + fix tool description

* + fix CamelCase subtitle
+ fix node displayName
+ add new tools

* + fix info link

* + add start, data and end callbacks to decouple response

* + added new tools

* + change display name on selected

* + added new tools

* + added new tools

* + added new tools

* + added new tools

* + remove old folder + fix param

* + added new tools

* ⚡ Some improvements to uproc Node

* 🐛 Fix docker image naming #1250

Co-authored-by: Miquel Colomer <mcolomer@gmail.com>

packages/nodes-base/nodes/UProc/GenericFunctions.ts

@@ -0,0 +1,47 @@
+import {
+	OptionsWithUri,
+} from 'request';
+
+import {
+	IExecuteFunctions,
+	IExecuteSingleFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+} from 'n8n-workflow';
+
+export async function uprocApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('uprocApi');
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+	const token = Buffer.from(`${credentials.email}:${credentials.apiKey}`).toString('base64');
+	const options: OptionsWithUri = {
+		headers: { Authorization: `Basic ${token}` },
+		method,
+		qs,
+		body,
+		uri: uri || `https://api.uproc.io/api/v2/process`,
+		json: true,
+	};
+
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		if (error.statusCode === 403) {
+			// Return a clear error
+			throw new Error('The uProc credentials are not valid!');
+		}
+
+		if (error.response.body && error.response.body.error && error.response.body.error.message) {
+			// Try to return the error prettier
+			throw new Error(`uProc Error [${error.statusCode}]: ${error.response.body.error.message}`);
+		}
+
+		// If that data does not exist for some reason return the actual error
+		throw new Error('uProc Error: ' + error.message);
+	}
+}